It's free and always will be.

Professional cleaning results make this jewelry cleaner great for commercial or home use,in minutes using only tap water.
Ultrasonic Frequency 42,000 Hz, AC100-120V 60Hz,35W
Generous 25 oz (750 ml) capacity
Time setting:"01:30","03:00","04:30","06:00","07:30"(Please choose the time according to needs.)
Powerful cleaning system works to gently remove dirt, dust, and grime from your valuable items including jewelry, eyeglasses, and watches, in minutes powerful yet gentle clean that won't harm your valuables.